Low-grade ores are undesirable because extracting the metals requires more energy per pound than ...

Author Question: Low-grade ores are undesirable because extracting the metals requires more energy per pound than ... (Read 84 times)

folubunmi

Hero Member
Posts: 524

on: Aug 27, 2018

Low-grade ores are undesirable because extracting the metals requires more energy per pound than high-grade ores.

Indicate whether the statement is true or false

Question 2

Human cells obtain energy by

A) oxidizing carbohydrates.
B) reducing proteins.
C) reducing carbon dioxide.
D) absorbing sunlight.

brbarasa

Sr. Member
Posts: 308

Reply #1 on: Aug 27, 2018

Answer to Question 1

TRUE

Answer to Question 2

A

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folubunmi

Hero Member
Posts: 524

Reply #2 on: Aug 27, 2018

Thank you!

brbarasa

Sr. Member
Posts: 308

Reply #3 on: Aug 27, 2018

Always glad to help...

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